[ 1252.656258][ T4456] 
[ 1252.656393][ T4456] =============================
[ 1252.656626][ T4456] WARNING: suspicious RCU usage
[ 1252.656793][ T4456] 6.12.0-virtme #1 Not tainted
[ 1252.656959][ T4456] -----------------------------
[ 1252.657115][ T4456] net/ipv6/ip6mr.c:132 RCU-list traversed in non-reader section!!
[ 1252.657348][ T4456] 
[ 1252.657348][ T4456] other info that might help us debug this:
[ 1252.657348][ T4456] 
[ 1252.657675][ T4456] 
[ 1252.657675][ T4456] rcu_scheduler_active = 2, debug_locks = 1
[ 1252.657905][ T4456] no locks held by smcrouted/4456.
[ 1252.658062][ T4456] 
[ 1252.658062][ T4456] stack backtrace:
[ 1252.658318][ T4456] CPU: 3 UID: 0 PID: 4456 Comm: smcrouted Not tainted 6.12.0-virtme #1
[ 1252.658560][ T4456] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1252.658757][ T4456] Call Trace:
[ 1252.658880][ T4456]  <TASK>
[ 1252.658966][ T4456]  dump_stack_lvl+0xb0/0xd0
[ 1252.659134][ T4456]  lockdep_rcu_suspicious+0x1ea/0x280
[ 1252.659300][ T4456]  ip6mr_get_table+0x142/0x190
[ 1252.659464][ T4456]  ip6_mroute_setsockopt+0x185/0x12d0
[ 1252.659634][ T4456]  ? __pfx_ip6_mroute_setsockopt+0x10/0x10
[ 1252.659842][ T4456]  ? __lock_release+0x103/0x460
[ 1252.660000][ T4456]  ? __might_fault+0x11b/0x170
[ 1252.660166][ T4456]  ? trace_lock_acquire+0x14d/0x1f0
[ 1252.660332][ T4456]  ? __might_fault+0xc3/0x170
[ 1252.660499][ T4456]  ? lock_acquire+0x32/0xc0
[ 1252.660658][ T4456]  ? __might_fault+0xc3/0x170
[ 1252.660827][ T4456]  ? __might_fault+0x11b/0x170
[ 1252.660992][ T4456]  do_ipv6_setsockopt+0x705/0x34e0
[ 1252.661156][ T4456]  ? validate_chain+0x130/0xae0
[ 1252.661331][ T4456]  ? __pfx_do_ipv6_setsockopt+0x10/0x10
[ 1252.661498][ T4456]  ? __pfx_validate_chain+0x10/0x10
[ 1252.661667][ T4456]  ? hlock_class+0x4e/0x130
[ 1252.661831][ T4456]  ? mark_lock+0x38/0x3e0
[ 1252.661961][ T4456]  ? __lock_acquire+0xb9a/0x1680
[ 1252.662145][ T4456]  ? find_held_lock+0x2c/0x110
[ 1252.662315][ T4456]  ? __lock_release+0x103/0x460
[ 1252.662477][ T4456]  ? __create_object+0x5e/0xb0
[ 1252.662638][ T4456]  ? __pfx___lock_release+0x10/0x10
[ 1252.662802][ T4456]  ? __pfx_validate_chain+0x10/0x10
[ 1252.662965][ T4456]  ? hlock_class+0x4e/0x130
[ 1252.663130][ T4456]  ? mark_lock+0x38/0x3e0
[ 1252.663262][ T4456]  ? ipv6_setsockopt+0x7f/0xe0
[ 1252.663426][ T4456]  ipv6_setsockopt+0x7f/0xe0
[ 1252.663592][ T4456]  rawv6_setsockopt+0xb7/0x550
[ 1252.663760][ T4456]  ? __pfx_rawv6_setsockopt+0x10/0x10
[ 1252.663918][ T4456]  ? find_held_lock+0x2c/0x110
[ 1252.664082][ T4456]  ? kfree+0x2d/0x340
[ 1252.664203][ T4456]  ? __lock_release+0x103/0x460
[ 1252.664363][ T4456]  ? fd_install+0x1d1/0x5a0
[ 1252.664532][ T4456]  do_sock_setsockopt+0x149/0x3a0
[ 1252.664694][ T4456]  ? __pfx_do_sock_setsockopt+0x10/0x10
[ 1252.664871][ T4456]  __sys_setsockopt+0xec/0x160
[ 1252.665039][ T4456]  __x64_sys_setsockopt+0xbd/0x160
[ 1252.665196][ T4456]  ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 1252.665400][ T4456]  do_syscall_64+0xc1/0x1d0
[ 1252.665575][ T4456]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 1252.665775][ T4456] RIP: 0033:0x7f3948ba591e
[ 1252.665942][ T4456] Code: 0f 1f 40 00 48 8b 15 e1 94 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b1 0f 1f 00 f3 0f 1e fa 49 89 ca b8 36 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 0a c3 66 0f 1f 84 00 00 00 00 00 48 8b 15 a9
[ 1252.666498][ T4456] RSP: 002b:00007fffd37b8988 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
[ 1252.666738][ T4456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3948ba591e
[ 1252.666971][ T4456] RDX: 00000000000000c8 RSI: 0000000000000029 RDI: 0000000000000008
[ 1252.667205][ T4456] RBP: 0000000000000008 R08: 0000000000000004 R09: 0000000000dbe010
[ 1252.667440][ T4456] R10: 00007fffd37b89ac R11: 0000000000000246 R12: 0000000000000000
[ 1252.667692][ T4456] R13: 0000000000402650 R14: 0000000000411dd8 R15: 00007f3948caa000
[ 1252.667942][ T4456]  </TASK>
[ 1252.671750][ T4456] veth0: entered allmulticast mode
[ 1252.672249][ T4456] veth1: entered allmulticast mode
[ 1252.672596][ T4456] veth2: entered allmulticast mode
[ 1252.672916][ T4456] veth3: entered allmulticast mode
[ 1252.673240][ T4456] veth4: entered allmulticast mode
[ 1252.673569][ T4456] veth5: entered allmulticast mode
[ 1263.292370][ T4542] GACT probability NOT on
[ 1279.209738][ T4456] veth0: left allmulticast mode
[ 1279.210038][ T4456] veth1: left allmulticast mode
[ 1279.210290][ T4456] veth2: left allmulticast mode
[ 1279.210570][ T4456] veth3: left allmulticast mode
[ 1279.210819][ T4456] veth4: left allmulticast mode
[ 1279.211059][ T4456] veth5: left allmulticast mode